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+/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+#ifndef THIRD_PARTY_TENSORFLOW_CONTRIB_LITE_NNAPI_PARSE_TESTDATA_H_
+#define THIRD_PARTY_TENSORFLOW_CONTRIB_LITE_NNAPI_PARSE_TESTDATA_H_
+
+#include <vector>
+#include "tensorflow/contrib/lite/interpreter.h"
+#include "tensorflow/contrib/lite/testing/test_runner.h"
+
+namespace tflite {
+namespace testing {
+
+// Shape and data for a float tensor
+struct FloatTensor {
+  std::vector<int> shape;
+  std::vector<float> flat_data;
+};
+
+// A prescribed input, output example
+struct Example {
+  std::vector<FloatTensor> inputs;
+  std::vector<FloatTensor> outputs;
+};
+
+// Parses an example input and output file (used for unit tests)
+TfLiteStatus ParseExamples(const char* filename,
+                           std::vector<Example>* examples);
+
+// Inputs Tensors into a TensorFlow lite interpreter. Note, this will run
+// interpreter.AllocateTensors();
+TfLiteStatus FeedExample(tflite::Interpreter* interpreter, const Example&);
+
+// Check outputs against (already) evaluated result.
+TfLiteStatus CheckOutputs(tflite::Interpreter* interpreter, const Example&);
+
+// Parses a test description and feeds the given test runner with data.
+// The input format is similar to an ASCII proto:
+//   // Loads model 'add.bin' from the TestRunner's model directory.
+//   load_model: "add.bin"
+//   // Changes the shape of inputs, provided in the same order they appear
+//   // in the model.
+//   reshape {
+//     input: "1,224,224,3"
+//     input: "1,3,4,1"
+//   }
+//   // Fills the given persistent tensors with zeros.
+//   init_state: 0,1,2,3
+//   // Invokes the interpreter with the given input and checks that it
+//   // produces the expected output. Inputs and outputs should be specified in
+//   // the order they appear in the model.
+//   invoke {
+//     input: "1,2,3,4,56"
+//     input: "0.1,0.2,0.3,4.3,56.4"
+//     output: "12,3,4,545,3"
+//     output: "0.01,0.02"
+//   }
+bool ParseAndRunTests(std::istream* input, TestRunner* test_runner);
+
+}  // namespace testing
+}  // namespace tflite
+
+#endif  // THIRD_PARTY_TENSORFLOW_CONTRIB_LITE_NNAPI_PARSE_TESTDATA_H_